19S Karl M. Wiegand and Arthur J. Eames 



1. Scleranthus L. 

 1. S. annuus L. Knawel. 



A weed of dry gravelly or sandy waste fields and roadsides, in acid or slightly 

 alkaline soils; rare. May-Sept. 



Field s. of Coy Glen (D.) ; South Ave., C. U. campus; Sheldrake Point (D. in 

 C. U. Herb., A. J. E. & K. M. IV.). 



Que. to Ont., southw. to Fla., mostly near the coast. Naturalized from Eu. 



2. Anychia Michx. 

 1. A. canadensis (L.) BSP. (A. dichotoma of Cayuga Fl.) Forked Chickweed. 



Dry stony and gravelly banks along the borders of woods and thickets, in acid or 

 neutral soils ; frequent. July. 



Upper Enfield Glen; Cascadilla Creek (D.) ; Fall Creek (D. !) ; Renwick Heights; 

 near McKinneys (DA.) ; Esty Glen; Shurger Glen; Salmon Creek, Ludlowville 

 (D. !) ; Taughannock Gorge (D.) ; cliffs n. of Lake Ridge; King Ferry; and else- 

 where (DA). 



Vt. and Ont. to Minn., southw. to Ga., Ark., and Kans. ; less frequent on the 

 Coastal Plain. 



House (Bui. N. Y. State Mus. 254:311. 1924) transfers this Linnean name to A. 

 polygonoidcs Raf., but the original description seems to apply to the present species. 



44. AIZOACEAE (Carpet-weed Family) 

 1. Mollugo L. 



1. M. VERTICILLATA L. CARPET WEED. 



A weed in dry gravelly or sandy waste places ; infrequent. July-Sept. 



Railroad tracks and yards in ballast, on South Hill and at the railroad stations; 

 C. U. campus (D.) ; near the "Nook" (D.) ; near Renwick (D.) ; Stewart Park; 

 Union Springs. 



N. B. to Minn, and Wash., southw. to Fla., Tex., and Mex. Naturalized from 

 warmer Am. 



45. CARYOPHYLLACEAE (Pink Family) 



a. Sepals separate, more or less spreading. 

 b. Stipules present. 



c. Leaves opposite; styles 3. 1. Spergularia 



c. Leaves whorled; styles 5. 2. Spergula 



b. Stipules wanting. 

 c. Capsule splitting into valves; plant glabrous or stems pubescent in lines, 

 scarcely viscid. 

 d. Leaves linear-filiform; plants low and tufted; styles alternate with the 

 sepals ; petals entire, shorter than the sepals, or wanting. 



3. Sagina 

 d. Leaves linear to broader ; plants less tufted ; styles opposite some or all of 

 the sepals. 

 c. Petals entire; stems wiry, terete. 4. Arenaria 



e. Petals 2-parted or wanting; stems usually softer, sometimes 4-angled. 



5. Stellaria 

 c. Capsule curved-cylindric, opening by a row of teeth at apex; petals 2-parted; 

 plant hairy, usually viscid. 6. Cerastium 



a. Sepals united; calyx tubular. 



b. Calyx naked at base; seeds globular or reniform; embryo markedly curved. 

 c. Styles 5 ; calyx 10-nerved. 



